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-rw-r--r--test/std/language.support/support.dynamic/ptr.launder/launder.pass.cpp35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/std/language.support/support.dynamic/ptr.launder/launder.pass.cpp b/test/std/language.support/support.dynamic/ptr.launder/launder.pass.cpp
new file mode 100644
index 000000000000..1aa462957c8b
--- /dev/null
+++ b/test/std/language.support/support.dynamic/ptr.launder/launder.pass.cpp
@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <new>
+
+// template <class T> constexpr T* launder(T* p) noexcept;
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+
+#include <new>
+#include <cassert>
+
+#include "test_macros.h"
+
+constexpr int gi = 5;
+constexpr float gf = 8.f;
+
+int main() {
+ static_assert(std::launder(&gi) == &gi, "" );
+ static_assert(std::launder(&gf) == &gf, "" );
+
+ const int *i = &gi;
+ const float *f = &gf;
+ static_assert(std::is_same<decltype(i), decltype(std::launder(i))>::value, "");
+ static_assert(std::is_same<decltype(f), decltype(std::launder(f))>::value, "");
+
+ assert(std::launder(i) == i);
+ assert(std::launder(f) == f);
+}